ZF 2093.210.013 TUBE | OEM Genuine Part

Overview

The ZF 2093.210.013 TUBE is a critical hydraulic fluid conduit engineered for the lubrication and cooling circuits within heavy-duty ZF powershift transmissions. This OEM genuine part, identified by SKU 2093.210.013, routes pressurized oil from the main valve body to the rotating clutch packs and planetary gear sets in construction machinery. Constructed from precision-drawn steel tubing with flared end fittings, it ensures a leak-free seal under extreme thermal cycling and vibration. When this tube becomes compromised, the entire transmission lubrication system loses integrity, leading to rapid component wear. For optimal drivetrain health, this tube is often replaced in conjunction with the 2093109013: DIFFERENTIAL and the 0750117075: TAPER ROLLER BEARING to prevent secondary damage.

Symptoms of Failure

• Hydraulic oil seepage at tube fittings: A cracked or fatigued 2093.210.013 tube will produce visible oil drips around the connection points, often mistaken for a seal failure. This “ZF transmission tube oil leak” is a primary indicator of tube fatigue.
• Intermittent gear slippage under load: Insufficient oil flow due to a restricted or collapsed tube causes clutch pack starvation, resulting in “ZF transmission slipping when hot” scenarios during heavy excavation.
• Elevated transmission sump temperature: A blocked tube restricts cooling oil circulation, triggering “transmission overheating in construction equipment” warnings on the operator display.
• Whining noise from the differential area: Low lubrication pressure caused by a leaking tube leads to metal-on-metal contact in the 2093209096: DIFFERENTIAL assembly, producing a high-pitched whine during operation.

Technical Specifications

Compatibility

This lubrication tube is specifically engineered for ZF WG series powershift transmissions commonly found in wheel loaders, telehandlers, and graders. Estimated compatible models include the ZF WG180, WG200, and WG310 series. It is also utilized in certain ZF Ergopower and Ecolife variants where auxiliary cooling circuits are present. The tube interfaces directly with the 2093309073: DIFF.HOUSING to supply oil to the differential assembly. Always verify your transmission serial number before ordering.

Related Components

Frequently Asked Questions

Q: Can a damaged 2093.210.013 tube cause transmission failure?
A: Yes. A cracked tube will starve the clutch packs of lubrication, leading to burnt friction plates and eventual transmission seizure. Immediate replacement is recommended upon detection of any oil seepage.

Q: Is this tube compatible with the ZF WG200 transmission?
A: Yes, the 2093.210.013 tube is a standard component in the WG200 series cooling circuit. However, always cross-reference your transmission serial number with the OEM parts catalog to confirm fitment.

Q: What torque specification should be used for the tube fittings?
A: For the 24° cone flare connections, tighten the union nut to 25 Nm (18.4 ft-lbs). Over-torquing can deform the tube seat and cause leaks.